Tools & Wizards About Us

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dospara.co.jp

パソコン（PC）通販のドスパラ【公式】

Page Load Speed

11 sec in total

First Response

305 ms

Resources Loaded

10 sec

Page Rendered

690 ms

About Website

Click here to check amazing Dospara content for Japan. Otherwise, check out these important facts you probably never knew about dospara.co.jp

パソコンの通販ならドスパラ【公式サイト】をご利用ください！BTOパソコンを中心としたカスタマイズパソコンの通販サイトです。100%国内生産、24時間国内サポートで安心！パソコンショップも全国展開中!

Visit dospara.co.jp

Key Findings

We analyzed Dospara.co.jp page load time and found that the first response time was 305 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

dospara.co.jp performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value55.8 s

0/100

25%

SI (Speed Index)

Value39.3 s

0/100

10%

TBT (Total Blocking Time)

Value31,640 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value111.8 s

0/100

10%

Network Requests Diagram

dospara.co.jp

305 ms

www.dospara.co.jp

1508 ms

base.css

28 ms

module.css

43 ms

home.css

429 ms

Our browser made a total of 496 requests to load all elements on the main page. We found that 58% of them (286 requests) were addressed to the original Dospara.co.jp, 3% (13 requests) were made to D.adroll.com and 2% (9 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Dospara.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (27%)

Content Size

11.4 MB

After Optimization

8.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dospara.co.jp main page is 11.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 7.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 245.3 kB

  • Original 290.4 kB
  • After minification 268.7 kB
  • After compression 45.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 245.3 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 304.6 kB

  • Original 7.8 MB
  • After minification 7.5 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Dospara images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 2.0 MB

  • Original 2.7 MB
  • After minification 2.3 MB
  • After compression 694.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.0 MB or 74% of the original size.

CSS Optimization

-85%

Potential reduce by 554.8 kB

  • Original 651.4 kB
  • After minification 515.4 kB
  • After compression 96.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Dospara.co.jp needs all CSS files to be minified and compressed as it can save up to 554.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 189 (42%)

Requests Now

446

After Optimization

257

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 446 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dospara. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 85 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dospara.co.jp accessibility score

79

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

dospara.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dospara.co.jp SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dospara.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Dospara.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Dospara. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: